Rename cleaner attribute cache_line_lock to lock_cacheline

.. to make it clean that true means cleaner must lock
cachelines rather than the lock is already being held.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>

src/engine/engine_common.c

@@ -564,7 +564,7 @@ void ocf_engine_clean(struct ocf_request *req)
 {
 	/* Initialize attributes for cleaner */
 	struct ocf_cleaner_attribs attribs = {
-			.cache_line_lock = false,
+			.lock_cacheline = false,
 
 			.cmpl_context = req,
 			.cmpl_fn = _ocf_engine_clean_end,